The Best Episodes of Dateline Season 15

Tonight we follow Chris Hansen behind the scenes of this remarkably popular series. Whether you love it or hate it, it's hard to look away. The personal accounts and some very memorable confrontations are equally riveting in this episode.

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Dateline is in the town of Petaluma, Calif. where two high-profile predator cases made national headlines. What would our hidden cameras find there? Again, we want to warn you that some of what you’re about to see is explicit. This report aired Friday, Sept. 29, and repeats Nov. 11, Saturday.

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Dateline's cameras are on the beach, and suspected predators are online. We want to warn you that some of what you’re about to see is explicit. This report airs Tuesday, Feb. 27 on NBC.

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We're back in Long Beach, California, where the long arm of the law has reached out and grabbed more than 3 dozen men in just 3 days. And perhaps the most surprising arrest in our most recent investigation? It didn't happen overnight in our undercover house — it happened in broad daylight, in a public park. We want to warn you that some of what you’re about to see is explicit. This report aired Tuesday, Feb. 6.

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A man is accused of killing his beautiful wife on a moonlit beach walk and then shooting himself to cover up the crime, Dennis Murphy reports.

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It's what prompted our entire series of predator investigations: Grown men sending graphic e-mails to young teenagers. And now, it's what has forced a powerful congressman out of office in the scandal that's consuming Washington. Representative Mark Foley of Florida is accused of having sexually explicit online chats with underage teens. Dateline's latest investigation also uncovers some prominent men caught in what police say are criminal acts. They, too, risk losing their jobs... and in some cases, perhaps even their freedom. Again, we want to warn you that some of what you’re about to see is explicit. This report airs Friday, Oct. 6.

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